Quantitative Aptitude - Arithmetic Ability Questions

In the figure, a circle touches quadrilateral ABCD. If AB = 2x + 3, BC = 3x - 1, CD = x + 6 and DA = x + 4, then what is the value of x?

O is the orthocentre of∆ABC, and if ∠BOC = 110° then ∠BAC will be

If the profit is 20%, then what will be the ratio of cost price to selling price respectively?

Deepak marks the price of his table 60% above the cost price. He gives some discount on it and earns profit of 15.2%. What is the discount percentage?

The difference between compound interest and simple interest on a sum for 2 year at 20% per annum is Rs 200. If the interest is compounded half yearly, then what is the difference (in Rs) between compound and simple interest for 1st year?

If sec2θ + tan2θ = 5/3, then what is the value of tan2θ?

A fraction is greater than its reciprocal by (72)/(77). What is the fraction?

The length of the diagonal of a square is 10 cm. What is area of this square?